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Finding the Fourth Proportional to 52,708.53, 72,737.19 and 28,834.92

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Solution

The fourth proportional to 52,708.53, 72,737.19 and 28,834.92 is: 39,791.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,708.53 : 72,737.19 = 28,834.92 : x
  2. Step 2: Convert to fraction form
    52,708.53/72,737.19 = 28,834.92/x
  3. Step 3: Cross multiply
    52,708.53x = 72,737.19 × 28,834.92
  4. Step 4: Simplify right side
    52,708.53x = 2,097,371,054.67
  5. Step 5: Solve for x
    x = 2,097,371,054.67/52,708.53
  6. Step 6: Final answer
    x = 39,791.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.